Skating

The easiest way to solve this problem is to use the conservation of energy, assuming there are no external forces (such as air drag) acting on the skater/ice system.

The two forms of energy relevant to this problem are kinetic energy K and thermal energy Et.

Since energy is conserved, the energy of the system must be the same before and after the skater came to a stop.

Ki + Eti = Kf + Etf

where K = 1/2mv2 and Et = fd

Thermal energy Et is equal to the product of the frictional force and the distance upon which it acts, where the frictional force f can be rewritten as a product of the coefficient of kinetic friction µ and the normal force n.

f = µn

Since there are no other forces acting on the skater in the vertical direction, the normal force n must be equal to the gravitational force Fg, which is the product of the mass of the skater times the acceleration due to gravity.

Fg = mg

So we get that the thermal energy can be rewritten as

Et = µmgd.

Substituting all of this back into the original equation yields:

1/2mv2i + µmgdi = 1/2mv2f + µmgdf

Notice that each term contains mass m, so they cancel out. You are left with

1/2v2i + µgdi = 1/2v2f + µgdf

The thermal energy at the very beginning of the problem is zero, and the kinetic energy at the very end is zero (the skater has stopped), so those terms also drop out.

1/2v2i + 0 = 0 + µgdf

1/2v2i = µgdf

Solving for µ yields:

µ = (v2i)/(2gd)

Knowing the acceleration due to gravity to be 9.8 m/s2 and having been given the initial velocity vi = 10 m/s and the distance d = 100 meters, one can simply plug in the values.

µ = 102/2*9.8*100
µ = 0.05

(The coefficient of friction has no units)

yes its trustworthy

• Alien Workshop
• Almost
• AntiHero
• Baker
• Black Label
• Blind
• Chocolate
• Cliche
• Creature
• Darkstar
• Element
• Enjoi
• Flip
• Girl
• LRG
• Mystery
• Plan B
• Real
• Santa Cruz
• Shut
• Vans
• Think
• Zero

  Source: http://www.giantbomb.com/skate-2/3030-20661/

you press square,x r2 and l 2 :)

United Skates of America is a chain of roller rinks that offer private or public skating in areas across the country. Kids and adults alike are attracted to the specialized sessions, be it "teen-night" or a private or birthday party, or even just a fun night out with the family.

"Enjoy Skateboarding"

yes

If you lay down you spread your weight over a greater area and decrease the chances of the ice breaking.

Get the rank 'legend' online. You can do this by going to 'Bbox Live', 'Ranked Match' and achieving the medals until you rank up. You also get a cool crown in-game for doing this!

The most common way, and the only way that i have seen so far is:

1) Place the wheel (with bearing) onto the axle just far enough that the axle is AT LEAST more than 3/4ths of the way through the bearing but NOT far enough that its beyond the bearing.

2) Pry on the wheel at an angle using the axle to bend the bearing out. AKA Pry the bearing out.

do that for all your bearings and be careful, it should not take more than maybe 15 pounds of force.

PAGES PARIDISE ISLAND ON TRANSIT BY DANCESPECTRUM MIGHT HAVE A LITTLE SKATING RINK. I BELEIVE THEY HAVE AN ARCADE LASER TAG AND SWIMMING NOT SO SURE ABOUT AN ICESKATING RINK. MY BROTHER BELEIVES THAT AND HE ANKLE SWORE IT WAS TRUE. SO GO AND MAYBE U WILL SEE ONE MAYBE NOT. I DO NOT KNOW.

You can find them at Sports Athourity! That is where i got my daughters and she loves them! She has had them for about a year to two years! They dont come apart and they are very supportive and they only cost $34.95!

It depends on which country you live in and what type of ice skating but on average more girls tend to do figure skating and more boys do speed skating. On average combined, more girls do skating all round.

Hope this helped! (:

Yes because of the automatic voice message system 7183834587 thankyou for reading this if u did looks like u got a sike hahahahahhah

William Rose Benét (February 2, 1886 - May 4, 1950) wrote this poem. He was an American poet, writer, and editor and the older brother of Stephen Vincent Benet.

carpe diam dude

dude why are you always biting my moment how does it tastes to you (the other skater would say 'delicious')

Xbox 360, PS3

Its when you bend your knees slide the inside foot to the outside (this is happening under your outside leg) And then you pick up your outside foot and cross it over your inside foot

http://earplugstore.stores.yahoo.net/earsavolifor.html

Your wear tights (over the boot or not) with either a stretchy skirt on top or a dress, though most people prefer leggings or stretch pants. You would also wear a fairly streamline jacket and often gloves. This is the outfit people wear for skating in though there are variations.

you choose the one that you like the best then go up to him and get ur flirt on so he knows that you like him the best.

The best shoes to buy for for long distance skating on a village road would be either: * DC's ~ or ~ * Airwalks Your aiming at the "clumpy" shoes.

Well it depends. Sometimes it can be $10 and other times less/more.

roces is the best

i dont really think it is personally id go for Xsjado's, razors,remz, deshi or usd

CORRECTION!!:

Roces aren't the best!! TRUST ME! GO for Valo skates! They're really really really good! Valo 4 Life! Valo!

u speaking of skates? 6 ,months